State Primary Standard Unit of Absolute Pressure in the Range from 1E-3 to 1E3 Pa
Reproduction and maintenance of pressure unit in the field of absolute pressures.
Dissemination of the size of pressure unit to the working standards of the 1st class by means of direct comparison and by means of the method of indirect measurements in accordance with DSTU 3388-96 “Metrology. National verification scheme for measurement instruments of absolute pressure in range from 1·10-3 to 1·103 Pa".
Metrological characteristics | ||
Range | from 1⋅10-3 Pa to 1⋅103 Pa | |
Uncertainty by type A (uA) | 3⋅10-3 | |
Uncertainty by type B (uB) | 1,24⋅10-3 | |
Total standard uncertainty (uC) | 3,25⋅10-3 | |
Extended uncertainty (U) | 6,5⋅10-3 | |